Subreddit Tracker is a free Chrome extension developed by Leslie Heinzen. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools program.

Subreddit Tracker is designed to help users stay up to date on new posts submitted to a given subreddit. This extension is particularly useful for following subreddits where having updated information on new posts is beneficial, such as deals subreddits.

With Subreddit Tracker, users have the ability to input the name of a subreddit they wish to follow. They can also set the frequency of subreddit checks by inputting an interval in seconds. This allows users to customize how often Subreddit Tracker will check for new posts.

Once the tracking process is started, Subreddit Tracker will persistently track the subreddit in the background until the user clicks the "Stop Tracking" button or closes the browser. The extension also provides an updated badge count of new posts over the extension icon, even when the extension popup is closed.

Additionally, Subreddit Tracker allows users to follow links to Reddit from the list of new posts. And if the user wishes to clear all items from the list, there is an option to do so.

Overall, Subreddit Tracker is a valuable Chrome extension for those who want to stay informed about new posts in their favorite subreddits. With its customizable tracking frequency and convenient features, it is a reliable tool for Reddit enthusiasts.